mlxsw: spectrum: Add couple of lower device helper functions

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Add functions that iterate over lower devices and find port device.
As a dependency add netdev_for_each_all_lower_dev and
netdev_for_each_all_lower_dev_rcu macro with
netdev_all_lower_get_next and netdev_all_lower_get_next_rcu shelpers.

Also, add functions to return mlxsw struct according to lower device
found and mlxsw_port struct with a reference to lower device.

Signed-off-by: Jiri Pirko <jiri@mellanox.com>
Reviewed-by: Ido Schimmel <idosch@mellanox.com>
Signed-off-by: David S. Miller <davem@davemloft.net>

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Jiri Pirko 2016-07-04 08:23:12 +02:00 • committed by David S. Miller

parent 61c503f976

commit 7ce856aaaf

4 changed files with 127 additions and 5 deletions

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18

include/linux/netdevice.h

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